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muminat
3 years ago
6

Write equivalent fractions for 1/2 and 2/9 using 18 as the common denominator

Mathematics
1 answer:
Nata [24]3 years ago
5 0

Answer:

9/18 4/18

Step-by-step explanation:

cross multiply,

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A woman plans to use one fourth of a 48 foot x 100 foot rectangular backyard to plant garden. Find the perimeter of the garden i
nataly862011 [7]

Answer: 160ft.

Step-by-step explanation:

First find the area of the 48ft x 100ft rectangular back yard.

Area of a rectangular = L x B

= 48 x 100

= 4800ft²

Now, find 1/4 of the rectangular backyard meant for garden

= 1/4 of 4800

= 1200ft²

Step 2:

To find the perimeter of the garden,first find the length and breath of the garden. From the dimension of the garden, the length is 40ft > width. In interpreting this,

We make the width of the garden to be. B = xft,

Therefore. L = (x + 40)ft

Now equate the product of this to 1200ft

x(x + 40) = 1200

Open the bracket

x² + 40x = 1200

x² + 40x - 1200 = 0

This is now a quadratic expression. Solving for x using any methods

x² + 60x - 20x - 1200 = 0

Solving by grouping

x(x + 60) - 20(x + 60) = 0

Collect common factors here

(x + 60)(x - 20) = 0

Therefore, x = -60 or 20

Remember, x cannot be negative, so x = 20ft. The width = 20ft, and the length = 60ft.

With this, we can determine the perimeter.

Formula for perimeter of a rectangular block

= 2( L + B )

= 2( 60 + 20 )

= 2(80)

= 2 x 80

= 160ft.

8 0
3 years ago
Solve for c<br> 4(3+c)+c=c+4
Sonja [21]

Answer:

c = -2

Step-by-step explanation:

Given equation is :

4(3+c)+c=c+4

12 + 4c + c = c + 4

12 + 4c = 4                    [dividing by 4]

3 + c = 1                         [adding and subtracting 3]

c = -2

6 0
3 years ago
Read 2 more answers
Will mark you BRAINLIEST!
valentinak56 [21]

Answer:

x = 9/8

Step-by-step explanation:

The triangles are similar so we can use ratios to solve

AB         BC

----  = -----------

AD       ED

x            1

----  = -----------

x+9       9

Using cross products

9*x = 1(x+9)

9x = x+9

Subtract x from each side

9x-x = x+9-x

8x = 9

Divide by 8

8x/8 = 9/8

x = 9/8

7 0
3 years ago
Read 2 more answers
Multiply (x+3)(x-4)<br> What is the middle term in the simplified product
nalin [4]

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4 0
3 years ago
Write the equation of the line that passes through the points (-7,0) and (-7,-8).
lara31 [8.8K]

Answer:

undefined slope

Step-by-step explanation:

the same number is on the x-axis so it is undefined

6 0
3 years ago
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